| Official Name: | Westerdale |
| Gaelic Name: | An Dail Shuas |
| Static Image Name: | File:Dale Mill, Westerdale, Caithness - geograph.org.uk - 1332.jpg |
| Static Image Caption: | Dale Mill at Westerdale, seen through Westerdale Bridge |
| Map Type: | Caithness |
| Coordinates: | 58.4468°N -3.4946°W |
| Os Grid Reference: | ND128519 |
| Unitary Scotland: | Highland |
| Lieutenancy Scotland: | Caithness |
| Country: | Scotland |
| Post Town: | HALKIRK |
| Postcode Area: | KW |
| Postcode District: | KW12 |
| Dial Code: | 01847 |
| Constituency Westminster: | Caithness, Sutherland and Easter Ross |
| Constituency Scottish Parliament: | Caithness, Sutherland and Ross |
Westerdale (Gaelic; Scottish Gaelic: An Dail Shuas) is a scattered crofting village which lies on the River Thurso, located 5miles directly south of Halkirk, in Caithness, Highland, Scotland.[1] The B870 road passes through the village.[2]
The 14th century Dirlot Castle is located 3miles south of the village, and was the stronghold of the Sutherlands,[3] Cheynes, Gunns and Mackays throughout its history.[4]